268 lines
9.3 KiB
Ucode
268 lines
9.3 KiB
Ucode
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/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*
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* Slot for Matinee controlled Animation Trees.
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* Each slot will be able to blend a defined number of channels (AnimNodeSequence connections).
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*/
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class AnimNodeSlot extends AnimNodeBlendBase
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native(Anim)
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hidecategories(Object);
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/** True, when we're playing a custom animation */
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var const bool bIsPlayingCustomAnim;
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/** save blend out time when playing a one shot animation. */
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var const FLOAT PendingBlendOutTime;
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/** Child index playing a custom animation */
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var const INT CustomChildIndex;
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/** Child currently active, being blended to */
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var const INT TargetChildIndex;
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/** Array of target weights for each child. Size must be the same as the Children array. */
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var Array<FLOAT> TargetWeight;
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/** How long before current blend is complete (ie. target child reaches 100%) */
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var const FLOAT BlendTimeToGo;
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/**
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* If TRUE (default), then forward the AnimEnd notification when we start blending out the animation.
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* This usually improves transitions and blends, as we can start playing new animations as soon as this one
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* starts blending out, as opposed to waiting until it is fully blended out.
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* Setting this to FALSE, will trigger the standard behavior of triggering AnimEnd notifies when the animation is really done playing.
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*/
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var() bool bEarlyAnimEndNotify;
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/**
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* if TRUE, do not blend when the Skeletal Mesh is not visible.
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* Optimization to save on blending time when meshes are not rendered.
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* Instant switch instead.
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*/
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var() bool bSkipBlendWhenNotRendered;
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/** If TRUE, Additive Animations override the source input.
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* If FALSE, Additive Animations are added to source input. (DEFAULT)
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*/
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var() bool bAdditiveAnimationsOverrideSource;
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/** TRUE if current it's used by Matinee, InterpTrackAnimControl
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* FALSE if not
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*/
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var const transient bool bIsBeingUsedByInterpGroup;
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/** allow bPauseAnims to be supported for this node type if we want */
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var() bool bDontAddToAlwaysTickArray;
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`if(`__TW_)
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/** Prevent notifies from being triggered by anim blend children */
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var bool bNoNotifies;
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`endif
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cpptext
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{
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// AnimNode interface
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virtual void InitAnim(USkeletalMeshComponent* MeshComp, UAnimNodeBlendBase* Parent);
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#if __TW_ANIMATION_
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/** Deferred Initialization, called only when the node is relevant in the tree. */
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virtual void DeferredInitAnim();
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#endif
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/** Update position of given channel */
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virtual void MAT_SetAnimPosition(INT ChannelIndex, FName InAnimSeqName, FLOAT InPosition, UBOOL bFireNotifies, UBOOL bLooping, UBOOL bEnableRootMotion);
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/** Update weight of channels */
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virtual void MAT_SetAnimWeights(const FAnimSlotInfo& SlotInfo);
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/** Rename all child nodes upon Add/Remove, so they match their position in the array. */
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virtual void RenameChildConnectors();
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// AnimNode interface
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virtual void TickAnim(FLOAT DeltaSeconds);
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virtual void GetBoneAtoms(FBoneAtomArray& Atoms, const TArray<BYTE>& DesiredBones, FBoneAtom& RootMotionDelta, INT& bHasRootMotion, FCurveKeyArray& CurveKeys);
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// AnimNodeBlendBase interface
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virtual void OnAddChild(INT ChildNum);
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virtual void OnRemoveChild(INT ChildNum);
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/** A child Anim has been modified */
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virtual void OnChildAnimChange(INT ChildNum);
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/** Child AnimNodeSequence hit end of animation */
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virtual void OnChildAnimEnd(UAnimNodeSequence* Child, FLOAT PlayedTime, FLOAT ExcessTime);
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virtual INT GetNumSliders() const { return 0; }
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/**
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* When requested to play a new animation, we need to find a new child.
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* We'd like to find one that is unused for smooth blending,
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* but that may be a luxury that is not available.
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*/
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INT FindBestChildToPlayAnim(FName AnimToPlay, UBOOL bOverride);
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void SetActiveChild(INT ChildIndex, FLOAT BlendTime);
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void UpdateWeightsForAdditiveAnimations();
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/** Called after (copy/)pasted - reset values or re-link if needed**/
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virtual void OnPaste();
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virtual void SelectedActiveSequence( UAnimNodeSequence* Seq ) {}
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/** Utility functions to ease off Casting */
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virtual class UAnimNodeSlot* GetAnimNodeSlot() { return this; }
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/**
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* Clean up Slot Node Sequence Pool if used
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* Called when world is cleaned up
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*/
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static void CleanUpSlotNodeSequencePool();
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/**
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* Release unused Sequence nodes if released
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* Called before Tick is called, so that it doesn't leave any reference during tick
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*/
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static void FlushReleasedSequenceNodes(const USkeletalMeshComponent * SkelComp);
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/**
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* Release unused Sequence nodes if released
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* Called before Tick is called, so that it doesn't leave any reference during tick
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*/
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static void ReleaseSequenceNodes(const USkeletalMeshComponent * SkelComp);
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/**
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* Release unused Sequence nodes if released
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* Called before Tick is called, so that it doesn't leave any reference during tick
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*/
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static void PrintSlotNodeSequencePool();
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protected:
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/**
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* Update Child Weight : Make sure childIndex isn't OOB
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*/
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virtual void UpdateChildWeight(INT ChildIndex);
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/** Make sure child exists **/
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void EnsureChildExists(INT ChildIndex, UBOOL bClaimOnly=FALSE);
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}
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/**
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* Play a custom animation.
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* Supports many features, including blending in and out.
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*
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* @param AnimName Name of animation to play.
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* @param Rate Rate animation should be played at.
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* @param BlendInTime Blend duration to play anim.
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* @param BlendOutTime Time before animation ends (in seconds) to blend out.
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* -1.f means no blend out.
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* 0.f = instant switch, no blend.
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* otherwise it's starting to blend out at AnimDuration - BlendOutTime seconds.
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* @param bLooping Should the anim loop? (and play forever until told to stop)
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* @param bOverride play same animation over again only if bOverride is set to true.
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* @param StartTime When to start the anim (e.g. start at 2 seconds into the anim)
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* @param EndTime When to end the anim (e.g. end at 4 second into the anim)
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*
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* @return PlayBack length of animation.
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*/
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final native function float PlayCustomAnim
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(
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name AnimName,
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float Rate,
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optional float BlendInTime,
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optional float BlendOutTime,
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optional bool bLooping,
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optional bool bOverride,
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optional float StartTime,
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optional float EndTime
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);
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/**
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* Play a custom animation.
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* Supports many features, including blending in and out.
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*
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* @param AnimName Name of animation to play.
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* @param Duration duration in seconds the animation should be played.
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* @param BlendInTime Blend duration to play anim.
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* @param BlendOutTime Time before animation ends (in seconds) to blend out.
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* -1.f means no blend out.
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* 0.f = instant switch, no blend.
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* otherwise it's starting to blend out at AnimDuration - BlendOutTime seconds.
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* @param bLooping Should the anim loop? (and play forever until told to stop)
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* @param bOverride play same animation over again only if bOverride is set to true.
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* @return TRUE if animation is playing, FALSE if couldn't play it.
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*/
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final native function bool PlayCustomAnimByDuration
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(
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name AnimName,
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float Duration,
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optional float BlendInTime,
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optional float BlendOutTime,
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optional bool bLooping,
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optional bool bOverride = TRUE
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);
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/** Returns the Name of the currently played animation or '' otherwise. */
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final native function Name GetPlayedAnimation();
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/**
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* Stop playing a custom animation.
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* Used for blending out of a looping custom animation.
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*/
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final native function StopCustomAnim(float BlendOutTime);
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/**
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* Call this function to remove nodes from the AnimAlwaysTickArray so bPauseAnims will work,
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* sets or clears the bDontAddToAlwaysTickArray
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*/
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final native function SetAllowPauseAnims(bool bSet);
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/**
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* Switch currently played animation to another one.
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*/
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final native function SetCustomAnim(Name AnimName);
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/** Set bCauseActorAnimEnd flag */
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final native function SetActorAnimEndNotification(bool bNewStatus);
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`if(`__TW_ANIMATION_)
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/** Set NotifyWeightThreshold to prevent triggering notifies */
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final native function SetNotifyWeightThreshold(float Threshold);
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`endif
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/**
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* Returns AnimNodeSequence currently selected for playing animations.
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* Note that calling PlayCustomAnim *may* change which node plays the animation.
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* (Depending on the blend in time, and how many nodes are available, to provide smooth transitions.
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*/
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final native function AnimNodeSequence GetCustomAnimNodeSeq();
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/**
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* Set custom animation root bone options.
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*/
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final native function SetRootBoneAxisOption
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(
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optional ERootBoneAxis AxisX = RBA_Default,
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optional ERootBoneAxis AxisY = RBA_Default,
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optional ERootBoneAxis AxisZ = RBA_Default
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);
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/**
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* Set custom animation root rotation options.
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*/
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final native function SetRootBoneRotationOption
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(
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optional ERootRotationOption AxisX = RRO_Default,
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optional ERootRotationOption AxisY = RRO_Default,
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optional ERootRotationOption AxisZ = RRO_Default
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);
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/* Advance time regarding child weights */
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final native function TickChildWeights(FLOAT DeltaSeconds);
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defaultproperties
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{
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bAdditiveAnimationsOverrideSource=FALSE
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bSkipBlendWhenNotRendered=FALSE // Should be investigated before turning back on. TTP #153546
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bEarlyAnimEndNotify=TRUE
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TargetWeight(0)=1.f
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Children(0)=(Name="Source",Weight=1.0)
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Children(1)=(Name="Channel 01")
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bFixNumChildren=FALSE
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NodeName="SlotName"
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}
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